* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

nav{
    background-color: rgb(8, 0, 255);
    padding: 10px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

nav ul{
    list-style: none;
}

nav ul li{
    float: left;
    position: relative;
}

nav ul li a{
    display: block;
    padding: 5px 15px;
    font-size: 15px;
    text-decoration: none;
    color: rgb(255, 255, 255);
}

nav ul li a:hover {
    background-color: rgb(255, 255, 255);
    color: chartreuse;
}

nav ul li ul{
    background-color: rgb(8, 0, 255);;
    display: none;
    position: absolute;
    top: 30px;
    left: 0;
    z-index: 1000;
}

nav ul li:hover ul{
    display: block;
}

nav ul li ul li{
    width: 300px;
    border-bottom: 1px solid white;
}

nav ul li ul li a{
    padding: 10px;
}

nav ul li ul li a:hover{
    background-color: white;
    color: black;
}

.content{
    margin-top: 60px;
    padding: 20px;
}